| Abstrakt: |
The antidote efficacy of liquid paraffin in oral solvent intoxications was investigated in dogs. Groups of 3 to 4 animals each received 1 ml/kg of methylchloroform, 0.3 ml/kg of benzene, or 3 ml/kg of a synthetic gasoline mixture (hexane/heptane/octane, ratio 30:50:20) by gastric intubation. After a prolonged interval the same animals were given 5 ml/kg of liquid paraffin by a separate tube in addition to one of the above solvents. The solvent concentrations in the blood were determined by gas chromatography at appropriate intervals. Administration of liquid paraffin in conjunction with methylchloroform does not significantly affect the absorption process. In the case of benzene and the synthetic gasoline mixture, however, liquid paraffin produces a distinct reduction in the rate of absorption. It is thus concluded that in the therapy of oral solvent-intoxication, liquid paraffin exhibits favorable antidote properties which may however differ from one solvent to the other. In clinically relevant situations involving coadministration of purgatives, the antidote effect must be assessed as being of a higher order than in our animal experiments in which purgatives had to be omitted for external reasons. |
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